#643267
Closest named color: Grape Purple (#5D1451). oklch(40.4% 0.104 325.2), rgb(100, 50, 103).
Aa
White text reads best on this color (9.57:1).
About this color
#643267 is a dark, moderately saturated purple. In OKLCH its lightness is 40%, its chroma 0.104 and its hue 325°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Grape Purple (#5D1451), ΔE 0.070 away. White text reads best on it, at 9.57:1.
| Hue family | Purples |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.104) |
| Temperature | in between |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 2.19:1 |
| White text | 9.57:1 |
Values
| HEX | #643267 |
| RGB | rgb(100, 50, 103) |
| HSL | hsl(297, 35%, 30%) |
| OKLCH | oklch(40.4% 0.104 325.2) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #643267 | 9.57:1 | AAA | Lc -96.1 | Preferred for body text |
| Black text on #643267 | 2.19:1 | Fails | Lc 12.1 | Not readable |
| #643267 text on white | 9.57:1 | AAA | Lc 91.8 | Preferred for body text |
| #643267 text on black | 2.19:1 | Fails | Lc -10.6 | Not readable |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 800.
-
Step 50
50
#F8F4F8
oklch(97.1% 0.007 325.6)
-
Step 100
100
#F0E6F0
oklch(93.6% 0.017 325.7)
-
Step 200
200
#E5D2E6
oklch(88.5% 0.034 324.3)
-
Step 300
300
#D5B4D6
oklch(80.9% 0.059 325.2)
-
Step 400
400
#C08BC2
oklch(70.7% 0.098 325.3)
-
Step 500
500
#AF6DB2
oklch(63% 0.125 325.4)
-
Step 600
600
#9A549E
oklch(55.6% 0.135 325.2)
-
Step 700
700
#834487
oklch(49% 0.125 325)
-
Step 800
800 (this color)
#643267
oklch(40.4% 0.104 325.2)
-
Step 900
900
#573159
oklch(37.7% 0.081 325.2)
-
Step 950
950
#331D34
oklch(27% 0.051 325.4)
#643267 with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #2C4169 | 0.100 |
| Deuteranopia (no green cones) | #3B4765 | 0.088 |
| Tritanopia (no blue cones) | #663847 | 0.062 |
| Achromatopsia (no color) | #454545 | 0.105 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #643267
#643267
oklch(40.4% 0.104 325.2)
- #1B5722
#1B5722
oklch(40.5% 0.104 145.3)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #643267, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grape Purple #5D1451 ΔE 0.070
- Velvet #750851 ΔE 0.073
- Rich Purple #720058 ΔE 0.074
- Purple Brown #673A3F ΔE 0.078
- Brownish Purple #76424E ΔE 0.080
- Dark Slate Blue #483D8B ΔE 0.080
- Rebecca Purple #663399 ΔE 0.083
- Red Purple #820747 ΔE 0.089
Use #643267 in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.